US aircraft manufacturer Boeing has asked airlines to inspect an emergency transmitter used on a range of its planes.
It made the request after British investigators recommended inspections of the same part in Boeing 787 aircraft, following a fire on a 787 Dreamliner jet parked at Heathrow airport.
Runways at the airport in London were shut for about an hour-and-a-half earlier this month after the fire on an Ethiopian Airlines plane.
Boeing had already sent out instructions on inspecting the part on its 787 aircraft, and said it was now asking for inspections on the 717, Next Generation 737, 747-400, 767 and 777 models as well.
The part called an Emergency Locator Transmitter, made by Honeywell International, is used to locate a plane after a crash.
Boeing said in a blogpost that the aim of the inspections was to gather data to support potential rule making by regulators.
The same brand of transmitters has been deployed on approximately 20 aircraft models, including on Airbus and business aviation aircraft, Boeing said.